package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

/**
 * @FileName GulimallExceptionControllerAdvice
 * @Description 集中处理所有异常
 * @Author msh
 * @date 2025-10-18
 **/
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {//处理数据校验的异常
        log.error("数据校验出现问题：{}", e.getMessage());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach(fieldError -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {//处理其他异常
        log.error("出现异常：{}", throwable.getMessage());
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
